HLPL2/Sem2/task2.cpp

173 lines
4.6 KiB
C++
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include <cstring>
#include <iostream>
using namespace std;
class DynArr {
private:
int* arr;
uint size;
uint width;
uint height;
public:
void set(uint h, uint w, int value)
{
if (h < height && w < width) {
if (-100 <= value && value <= 100) {
arr[h * width + w] = value;
} else {
arr[h * width + w] = value % 100;
cerr << "Tried to set element " << h << " x " << w << " with " << value << " but this value is not in [-100; 100]. Will assign (val % 10)\n";
}
} else {
cerr << "Tried to set element " << h << " x " << w << " with " << value << " but the array size is " << size << ". Skipping.\n";
}
}
int get(uint h, uint w)
{
if (h < height && w < width) {
return arr[h * width + w];
}
cerr << "Tried to get element " << h << " x " << w << " from an array with size " << size << ". Returning 0.\n";
return 0;
}
uint length()
{
return size;
}
uint getWidth()
{
return width;
}
uint getHeight()
{
return height;
}
void print()
{
cout << "Size is " << width << " x " << height << endl;
for (uint i = 0; i < height; i++) {
for (uint j = 0; j < width; j++)
cout << arr[i * width + j] << " ";
cout << "\n";
}
cout << "\n";
}
DynArr operator+(const DynArr& second)
{
DynArr result(*this);
uint target_height, target_width;
if (second.height > height) {
target_height = height;
} else {
target_height = second.height;
}
if (second.width > width) {
target_width = width;
} else {
target_width = second.width;
}
for (uint i = 0; i < target_height; i++) {
for (uint j = 0; j < target_width; j++) {
result.set(i, j, result.get(i, j) + second.arr[i * second.height + j]);
}
}
return result;
}
DynArr operator-(const DynArr& second)
{
DynArr result(*this);
uint target_height, target_width;
if (second.height > height) {
target_height = height;
} else {
target_height = second.height;
}
if (second.width > width) {
target_width = width;
} else {
target_width = second.width;
}
for (uint i = 0; i < target_height; i++) {
for (uint j = 0; j < target_width; j++) {
result.set(i, j, result.get(i, j) - second.arr[i * second.height + j]);
}
}
return result;
}
DynArr(uint dwidth, uint dheight)
{
arr = new int[dwidth * dheight];
width = dwidth;
height = dheight;
size = width * height;
for (uint i = 0; i < size; i++) {
arr[i] = rand() % 100;
}
}
DynArr(const DynArr& original)
{
size = original.size;
height = original.height;
width = original.width;
arr = new int[original.size];
memcpy(arr, original.arr, sizeof(int) * size);
}
~DynArr()
{
delete[] arr;
}
};
int main()
{
int i, j, temp;
cout << "Введите размер первого массива в формате h w: ";
cin >> i;
cin >> j;
DynArr arr(i, j);
i = 0;
j = 0;
while (i >= 0) {
cout << "Введите координаты элемента через пробел или -1 чтобы закончить ввод: ";
cin >> i;
if (i >= 0) {
cin >> j;
cout << "Введите его значение: ";
cin >> temp;
arr.set(i, j, temp);
}
}
cout << "Первый массив:\n";
arr.print();
cout << "Введите размер второго массива: ";
cin >> i;
cin >> j;
DynArr arr2(i, j);
i = 0;
while (i >= 0) {
cout << "Введите координаты элемента через пробел или -1 чтобы закончить ввод: ";
cin >> i;
if (i >= 0) {
cin >> j;
cout << "Введите его значение: ";
cin >> temp;
arr.set(i, j, temp);
}
}
cout << "Первый массив:\n";
arr.print();
cout << "Второй массив:\n";
arr2.print();
cout << "Первый + второй:\n";
(arr + arr2).print();
cout << "Первый - второй:\n";
(arr - arr2).print();
return 0;
}